24. Write all the natural numbers from 1 to 15. What fraction of them are prime numbers?
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3
Answer:
Natural Numbers (from 1 to 15) = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
Fraction of prime numbers between them = 7/15
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2
Answer:
Prime numbers until 15: 2,3,5,7,11,13. That are 6, and so 6/15 or 2/5 of the natural numbers from 1 to 15 are prime.
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